battery GMC SIERRA CLASSIC 2007 Owner's Manual

When using the wired headphones, if the front
seat passengers play a CD in the Radio with
Six-Disc CD (if equipped) or use XM™ Satellite
Radio Service (if equipped), you will hear the audio
for these sources, instead of the DVD or CD
that is currently playing through the RSE.
Notice:Do not store the headphones in heat
or direct sunlight. This could damage the
headphones and repairs will not be covered by
your warranty. Keep the headphones stored
in a cool, dry place.
Both sets of rear seat headphones may include
foam ear pads that can be replaced.
Foam ear pads on these headphones may become
worn or damaged. The headphone foam ear pads
can become damaged if they are not handled or
stored properly. If the foam ear pads do become
damaged or worn out, the pads can be replaced
separately from the headphone set. It is not
necessary to replace the complete headphone set.
The headphone replacement foam ear pads can
be ordered in pairs. See your dealer for more
information.Battery Replacement
To change the batteries, do the following:
1. Loosen the screw on the battery compartment
door located on the left side of the headphone
earpiece.
2. Replace the two AAA batteries in the
compartment. Make sure that they are
installed correctly, using the diagram on the
inside of the battery compartment.
3. Tighten the screw to close the
compartment door.
If the headphones are to be stored for a long
period of time, remove the batteries and keep them
in a cool, dry place.
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Some DVDs will not allow fast forwarding or
skipping of the copyright information or the
previews. Some DVDs will begin playing after the
previews have nished. If the DVD does not
begin to play the main title, refer to the on-screen
instructions.
Stopping and Resuming Playback
To stop playing a disc, press and release the stop
button on the DVD player faceplate or the
remote control.
To resume playback, press the play/pause button
on the DVD player faceplate or the remote
control. The movie should resume play from where
it was last stopped, if the disc has not been
ejected and the stop button has not been pressed
twice. If the disc has been ejected or if the stop
button has been pressed twice, the disc will
resume play at the beginning.
Ejecting a Disc
Press the eject button on the DVD player faceplate
to eject the disc. There is not an eject button on
the remote control.If a disc is ejected from the player, but is not
removed, the DVD player will reload the disc after
a short period of time. The disc will be stored
in the DVD player. The DVD player will not resume
play of the disc automatically.
Remote Control
To use the remote control, aim it at the transmitter
window below the video screen and press the
desired button. Direct sunlight or very bright light
may affect the ability of the RSE system to
receive signals from the remote control. If the
remote control does not seem to be working, the
batteries may need to be replaced. See “Battery
Replacement” later in this section.
Objects blocking the line of sight may also affect
the function of the remote control.
Notice:Storing the remote control in a hot
area or in direct sunlight may damage it,
and the repairs will not be covered by your
warranty. Keep the remote control stored in a
cool, dry place.
To extend the life of the batteries, the remote
control does not have a press and hold feature.
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[(Fast Forward):Press this button to fast
forward the DVD or CD. To stop fast forwarding,
press this button again. This button may not
work when the DVD is playing the copyright
information or the previews.
s(Play/Pause):Press this button to start play
of a DVD or CD. Press this button while a
DVD or CD is playing to pause it. Press this button
again to continue the play of the DVD or CD.
When the DVD is playing, press the pause button
then press the fast forward button. The DVD
will continue playing in a slow play mode.
To cancel slow play mode, press the play/pause
button.
u(Next Track/Chapter):Press this button to
advance to the beginning of the next track
or chapter. This button may not work when the
DVD is playing the copyright information or
the previews.
Battery Replacement
To change the batteries, do the following:
1. Remove the battery compartment door located
on the bottom of the remote control.
2. Replace the two AA batteries in the
compartment. Make sure that they are
installed correctly, using the diagram on the
inside of the battery compartment.
3. Close the battery door securely.
If the remote control is to be stored for a long
period of time, remove the batteries and keep them
in a cool, dry place.
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You can run the engine to keep warm, but be
careful.
{CAUTION:
Snow can trap exhaust gases under your
vehicle. This can cause deadly CO (carbon
monoxide) gas to get inside. CO could
overcome you and kill you. You cannot see
it or smell it, so you might not know it is in
your vehicle. Clear away snow from around
the base of your vehicle, especially any
that is blocking your exhaust pipe. And
check around again from time to time to
be sure snow does not collect there.
Open a window just a little on the side of
the vehicle that is away from the wind.
This will help keep CO out.
Run your engine only as long as you must.
This saves fuel. When you run the engine, make it
go a little faster than just idle. That is, push the
accelerator slightly. This uses less fuel for the heat
that you get and it keeps the battery charged.
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You will need a well-charged battery to restart the
vehicle, and possibly for signaling later on with
your headlamps. Let the heater run for a while.
Then, shut the engine off and close the window
almost all the way to preserve the heat. Start
the engine again and repeat this only when you
feel really uncomfortable from the cold. But do it as
little as possible. Preserve the fuel as long as
you can. To help keep warm, you can get out of
the vehicle and do some fairly vigorous exercises
every half hour or so until help comes.If Your Vehicle is Stuck in Sand,
Mud, Ice, or Snow
In order to free your vehicle when it is stuck,
you will need to spin the wheels, but you do not
want to spin your wheels too fast. The method
known as rocking can help you get out when you
are stuck, but you must use caution.
{CAUTION:
If you let your vehicle’s tires spin at high
speed, they can explode, and you or others
could be injured. And, the transmission or
other parts of the vehicle can overheat.
That could cause an engine compartment
re or other damage. When you are stuck,
spin the wheels as little as possible. Do not
spin the wheels above 35 mph (55 km/h) as
shown on the speedometer.
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Maintenance When Trailer Towing
Your vehicle will need service more often when
you’re pulling a trailer. SeeScheduled
Maintenance (Gasoline Engine) on page 617for
more information. Things that are especially
important in trailer operation are automatic
transmission uid (don’t overll), engine oil, axle
lubricant, belt, cooling system and brake system.
Each of these is covered in this manual, and
the Index will help you nd them quickly. If you’re
trailering, it’s a good idea to review these
sections before you start your trip.
Check periodically to see that all hitch nuts and
bolts are tight.
Trailer Wiring Harness
Your vehicle is equipped with one of the following
wiring harnesses for towing a trailer or hauling
a slide-in camper.
Basic Trailer Wiring
All regular, extended cab and crew cab pickups
have an eight-wire trailer towing harness.For vehicles not equipped with heavy duty
trailering, the harness is clipped to the vehicle’s
frame behind the spare tire mount. The harness
requires the installation of a trailer connector,
which is available through your dealer.
If your trailer is equipped with electric brakes, you
can get a jumper harness (electric trailer brake
control) with a trailer battery feed fuse from
your dealer.
If you need to tow a light-duty trailer with a
standard four-way round pin connector, you can
also get an adapter from your dealer.
456

Heavy-DutyTrailer Wiring Harness
Package
For vehicles equipped with heavy duty trailering,
the harness is connected to the trailer mounted to
the hitch platform. The eight-wire harness
contains the following trailer circuits:
Yellow: Left Stop/Turn Signal
Dark Green: Right Stop/Turn Signal
Brown: Taillamps
White: Ground
Light Green: Back-up Lamps
Light Blue: CHMSL*
Red: Battery Feed**
Dark Blue: Trailer Brake
*The Center High-Mounted Stoplamp (CHMSL)
wire is tied next to the trailer wiring harness for use
with a trailer, slide-in camper or cap.
**If you are charging a remote (non-vehicle)
battery, press the tow/haul mode button located at
the end of the shift lever. This will boost the
vehicle system voltage and properly charge the
battery. If the trailer is too light for tow/haul mode,
you can turn on the headlamps as a second
way to boost the vehicle system voltage and
charge the battery.
457

Camper/Fifth-Wheel Trailer Wiring Package
The eight-wire camper harness is located under
the front edge of the pickup box on the driver’s
side of the vehicle, attached to the frame bracket.
A connector will have to be added to the wiring
harness which connects to the camper.
The eight-wire harness contains the following
camper/trailer circuits:
Yellow: Left Stop/Turn Signal
Dark Green: Right Stop/Turn Signal
Brown: Taillamps
White: Ground
Light Green: Back-up Lamps
Light Blue: Center High-Mounted Stoplamp
(CHMSL)
Red: Battery Feed
Dark Blue: Trailer BrakeIf your vehicle is equipped with the “Heavy-Duty
Trailering” option, please refer to “Heavy-Duty
Trailer Wiring Package” earlier in this section.
When the camper-wiring harness is ordered
without the heavy-duty trailering package, an
eight-wire harness with a seven-pin connector and
separate CHMSL connector are located at the
rear of the vehicle and are tied to the vehicle’s
frame.
458

Electric Brake Control Jumper
{CAUTION:
Be sure to use only the correct trailer
brake harness, the one intended for use
on your vehicle. If you use some other
trailer brake harness, even if it seems to
t, your trailer brakes may not work at all.
You could have a crash in which you or
others could be injured. Use only the
trailer brake harness intended for your
vehicle. If it is no longer available to you,
be sure to get a proper replacement from
your dealer.This harness is included with your vehicle as part
of the heavy-duty trailer wiring package.
This harness is for an electric brake controller and
includes a trailer battery feed fuse. It should be
installed by your dealer or a qualied service
center.
459

Auxiliary Battery
The auxiliary battery provision can be used to
supply electrical power to additional equipment that
you may choose to add, such as a slide-in camper.
If your vehicle has this
provision, this relay will
be located on the
passenger’s side of the
vehicle, next to the
auxiliary battery.
When using this provision, connection should only
be made to the upper stud (A) of the relay. Do not
make connections to the lower stud (B) of the relay.
The auxiliary battery circuit is protected by a
megafuse located behind the auxiliary battery.
Be sure to follow the proper installation instructions
that are included with any electrical equipment
that you install.Notice:Leaving electrical equipment on for
extended periods will drain the battery. Always
turn off electrical equipment when not in
use and do not use equipment that exceeds
the maximum amperage rating for the auxiliary
battery provision.
Power Winches
If you wish to use a power winch on your vehicle,
only use it when your vehicle is stationary or
anchored.
Trailer Recommendations
You must subtract your hitch loads from the CWR
for your vehicle. Weigh your vehicle with the
trailer attached, so that you won’t go over
the GVWR or GAWR. If you are using a
weight-distributing hitch, weigh the vehicle without
the spring bars in place.
You’ll get the best performance if you spread out
the weight of your load the right way, and if
you choose the correct hitch and trailer brakes.
For more information, seeTowing a Trailer
on page 429.
460